Prevalência de parasitoses intestinais na cidade de Eirunepé, Amazonas

Araújo, Claudio Fernández; Fernández, Claudia Leite

doi:10.1590/s0037-86822005000100016

Cited by 24 publications

(13 citation statements)

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“…Of these, 1,027 (0.27%) patients were positive for hookworm and 1,286 (0.34%) patients were positive for S. stercoralis. These data are similar to those obtained by an investigation conducted in São Paulo City studying a population 4 in the Amazon region (1.0%). The observed differences in hookworm prevalence could be explained by the fact that the studies were conducted in distinct areas and on different populations with varied exposure to risk factors and socioeconomic status.…”

Section: Discussionsupporting

confidence: 90%

Hookworm and Threadworm Infections and Their Association With Hemoglobin and Eosinophil Concentrations in Residents of Salvador-Bahia, Brazil

Santos¹,

Souza²,

Soares

2013

Rev. Inst. Med. trop. S. Paulo

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SUMMARYParasitic infections are responsible for substantial mortality and morbidity worldwide. In most healthy individuals, little overt pathology is observed during infection with S. stercoralis. However, the symptoms in advanced cases may include gastrointestinal bleeding. Anemia is most commonly associated with hookworm infection, especially when several hundred worms are present. Our study evaluates the relationship between the hookworm or S. stercoralis infection status and the hemoglobin concentration of individuals examined by a private network of laboratories in Salvador, Bahia, Brazil. We examined 374,120 samples from middle-class individuals living in Salvador City from January 2004 to April 2008. The stool samples were analyzed by the Lutz and BaermannMoraes methods, and the blood samples were analyzed for hemoglobin concentration and eosinophil counting. The prevalence of hookworm and S. stercoralis were 0.27% (1,027) and 0.34% (1,286), respectively. The prevalence of hookworm and S. stercoralis infection was significantly higher in males than in females and increased with age. Eosinophilia was a common laboratorial finding in individuals infected with hookworm and S. stercoralis. The hemoglobin concentration was lower in the hookworm-infected individuals than in non-infected ones, but none of the examined patients were anemic. Lack of anemia could be a consequence of the socioeconomic status of these patients.

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Section: Discussionsupporting

confidence: 90%

Hookworm and Threadworm Infections and Their Association With Hemoglobin and Eosinophil Concentrations in Residents of Salvador-Bahia, Brazil

Santos¹,

Souza²,

Soares

2013

Rev. Inst. Med. trop. S. Paulo

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“…The prevalence of G. duodenalis in the elderly was higher than observed in previous studies 1,2,3,20,23 and lower than observed in other studies 12,14,27 . The difference in the results can be associated with the number of samples taken, methodology, environmental differences and The prevalence observed for Cryptosporidium spp.…”

Section: Discussioncontrasting

confidence: 71%

“…The prevalence of E.histolytica/dispar was lower than the previous ones mentioned 2,3,23,24 . This protozoan is common in inhabitants of developing countries, affecting predominantly people living with precarious socioeconomic conditions, inadequate hygiene practices and malnutrition 24 .…”

Section: Discussioncontrasting

confidence: 62%

Prevalence and risk factors for intestinal protozoa infection in elderly residents at Long Term Residency Institutions in Southeastern Brazil

Girotto

Grama

Cunha

et al. 2013

Rev. Inst. Med. trop. S. Paulo

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SUMMARYThis study determined the prevalence of intestinal protozoa in Long Term Residency Institutions for the Elderly (ILPI) in elders, nurses and food handlers, identifying the risk factors associated with the infections. Stool samples taken from the elderly (n = 293), nurses (63) and food handlers (19) were studied. Questionnaires were used with questions related to sociodemographic variables, health, behavior and health characteristics. Stool samples were examined using the techniques of Faust and Ziehl Neelsen, and the prevalence of G. duodenalis, Cryptosporidium spp., E. histolytica/dispar in the elderly was 4.0%, 1.0% and 0.3% respectively. Nurses and food handlers showed 4.8% and 5.2% positivity only for G. duodenalis, respectively. The origin of the individuals and contact with domestic animals has been associated with infection by G. duodenalis in the elderly, and contact with domestic animals was considered a risk factor for infection. The last stool examinations were related to Cryptosporidium spp.. None of the variables were associated with E. histolytica/dispar. The frequency of hand washing was significantly associated with G. duodenalis among nurses. The frequency of positive samples of G. duodenalis, Cryptosporidium spp., E. histolytica/dispar showed that ILPIs environments are conducive to this occurring due to contact between the elderly, nurses and food handlers, which are often poorly trained in hygiene procedures and food handling.

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“…Ivermectin has already been demonstrated to be a safe and effective drug for the treatment of other helminthes [20][21][22][23] that occur in the studied area. 24,25 This study characterized the efficacy of ivermectin to treat infections by M. ozzardi up to 360 days after treatment and subsequent side effects of the drug. These findings may contribute to the development of clinical assays to test other drugs and aid in the control of mansonelliasis.…”

Section: Introductionmentioning

confidence: 99%

Sustained Clearance of Mansonella ozzardi Infection after Treatment with Ivermectin in the Brazilian Amazon

Basano¹,

Fontes²,

Medeiros³

et al. 2014

The American Journal of Tropical Medicine and Hygiene

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Abstract. Therapy for mansonelliasis is challenging because there is no standard drug recommended for its treatment. This non-randomized study was conducted to evaluate the effectiveness of a single dose of 0.15 mg/kg of ivermectin to reduce Mansonella ozzardi microfilaraemia in infected persons. A total of 74 patients were studied within the municipality of Lá brea, which is located in Amazonas State, Brazil. The patients were treated with ivermectin after detection of the parasite by blood examination. Significant microfilaraemia reduction was observed and its residual effect was maintained for at least 12 months. There was no significant change in the laboratory blood count, hepatic metabolites, and nitrogen-bounding compound excreta dosage values that could compromise the use of this drug, demonstrating that ivermectin has a low toxicity level.

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Prevalência de parasitoses intestinais na cidade de Eirunepé, Amazonas

Cited by 24 publications

References 0 publications

Hookworm and Threadworm Infections and Their Association With Hemoglobin and Eosinophil Concentrations in Residents of Salvador-Bahia, Brazil

Hookworm and Threadworm Infections and Their Association With Hemoglobin and Eosinophil Concentrations in Residents of Salvador-Bahia, Brazil

Prevalence and risk factors for intestinal protozoa infection in elderly residents at Long Term Residency Institutions in Southeastern Brazil

Sustained Clearance of Mansonella ozzardi Infection after Treatment with Ivermectin in the Brazilian Amazon

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